str = 'day day up'
for i in range(len(str)):
    print(str[i], end=" ")
list1 = []

list1.append(3)
list1.append(4)
list1.append(5)
print(list1)
list3 = list()
list3.append(1)

print(list3)
for i in list1:
    print(i, end=" ")
    print()
list1.insert(1, 10)
for i in list1:
    print(i, end=" ")
print()
list1.sort(reverse=False)
print(list1)
list4 = sorted(list1)
print(list4)
print(list1)

list5 = [0, 1, 2, 3, 3]
list5.remove((3))  # 删除指定元素
print(list5)

list7 = [i for i in range(1, 10) if i % 2 != 0]
print(list7)
str = ('11111')
print(type(str))

str = ('11111222',)
